"""Animation utilities for CAE visualization."""

# Copyright (c) 2025 Infinidatum
# Author: Duraimurugan Rajamanickam
# 
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# 
#     http://www.apache.org/licenses/LICENSE-2.0
# 
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.



from __future__ import annotations

import logging
from typing import List
import numpy as np

from .mesh import FEAMesh

logger = logging.getLogger(__name__)


class TimeSeriesAnimation:
    """Time series animation for CAE results."""

    def __init__(self, mesh: FEAMesh, time_steps: List[float]) -> None:
        self.mesh = mesh
        self.time_steps = time_steps
        self.data_series: List[np.ndarray] = []

    def add_time_step_data(self, data: np.ndarray) -> None:
        """Add data for a time step."""
        self.data_series.append(data)

    def animate(self, fps: int = 30) -> None:
        """Create animation."""
        logger.info(
            f"Creating animation with {len(self.data_series)} frames at {fps} FPS"
        )
        # Placeholder implementation
        pass


class DeformationAnimation:
    """Deformation animation for structural analysis."""

    def __init__(self, mesh: FEAMesh, displacement_history: List[np.ndarray]) -> None:
        self.mesh = mesh
        self.displacement_history = displacement_history

    def animate_deformation(self, scale_factor: float = 1.0, fps: int = 30) -> None:
        """Animate mesh deformation."""
        logger.info(f"Animating deformation with scale factor {scale_factor}")
        # Placeholder implementation
        pass
